As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY TRACK LIGHTS INOP FROM ROW 1 THROUGH 6, UPPER DECK. (<P>REMOVED AND REPLACED M5055 EMERGENCY POWER SUPPLY FOR EMERGENCY TRACK LIGHTS, ROW 1 THROUGH 6, UPPER DECK, PER B747 AMM 33-51-04-402-012-00. OPS CHECK GOOD PER B747 AMM 33-51-04-712-015-001.</P>)